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Official data from INPI

PROCESSO CONTINUO PARA PRODUZIR 2,6-DINITRO-N-ALQUIL-ANILINAS

Em AnáliseInvention Patent

Application data

Number

PI8100667

Type

Invention Patent

Filing

02/04/1981

Publication

10/05/1982

Progress at the INPI

  1. Filing02/04/81
  2. Publication10/05/82
  3. Examination10/18/83
  4. Allowance04/16/85
  5. Grant10/29/85
  6. Terminated11/16/88

The patent was granted on 10/29/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RUMIANCA SPA [IT]

Inventors

B. L. (pessoa física)

C. F. (pessoa física)

M. V. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Publicação do pedido de patente

#3.1

10/05/1982

RPI 624

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